Pipette tip tray



FIG. 1 is a top perspective view of a pipette tip tray;

FIG. 2 is a bottom perspective view thereof;

FIG. 3 is a first side view thereof;

FIG. 4 is a second side view thereof;

FIG. 5 is a third side view thereof;

FIG. 6 is a fourth side view thereof;

FIG. 7 is a top view thereof; and,

FIG. 8 is a bottom view thereof.

The broken lines depict portions of the pipette tip tray that form no part of the claimed design. 

CLAIM The ornamental design for a pipette tip tray, as shown and described. 